Colegio/universitario
College applicants is aspirantes de la unversidad in spanish. No, actually you say "Aspirantes universitarios" or "Aplicantes universitarios"
Fui a la universidad.
college exploration = la exploración de la universidad
Buena universidad buen colegio
Quiero ir a la universidad.
Cual colegio quieres asistir
Estoy estudiando en el colegio.
"Estoy en la universidad". In English, we use the term "college" to mean a university, community college, or other type of higher education. In Spanish, the term "collegio" means "secondary education" or "High School".
To receive a college degree in Spanish, find a college that offers a degree in Spanish. Follow their degree program in Spanish to earn the credits needed. Once you earned enough credits, then you graduate and receive a college degree in Spanish.
"Voy a la universidad". The word "colegio" is used for "high school".
He estudiado el espanol en la escuela secundaria y en la universidad. For "universidad" you can say "colegio" in some countries. In others, it means Middle School.
Sister in law in Spanish is cunada.